Think Bigger From Filmora User Guide
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System Requirements Specification - Mac
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New Features - Mac
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AI Features - Mac
- AI Text-Based Editing in Mac
- AR stickers on Mac
- Audio ducking on Mac
- AI Copilot Editing for Mac
- Auto denoise on Mac
- AI Text-to-Video for Mac
- AI smart cutout for Mac
- Scene detection on Mac
- Silence detection on Mac
- Auto Beat Sync on Mac
- AI Smart Masking for Mac
- AI Music Generator for Mac
- AI Skin Tone Protection for Mac
- AI stylizer on Mac
- AI portrait on Mac
- Auto reframe on Mac
- AI Thumbnail Creator For Mac
- AI Vocal Remover for Mac
- ChatGPT Plugin - AI Copywriting on Mac
- AI Audio Denoise for Mac
- AI Audio Stretch for Mac
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Get Start - Mac
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Creating Projects - Mac
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Creating New Projects (Mac)
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Importing & Recording - Mac
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Importing (Mac)
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Recording (Mac)
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Media for Use - Mac
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Editing - Mac
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Editing Video (Mac)
- Playback Speed Shortcuts for Mac
- Super Slow Motion with Optical Flow for Mac
- Uniform speed on Mac
- Speed ramping on Mac
- Customized Backgrounds for Videos and Images in Mac
- Marked Favorites for Mac
- Markers for Mac
- Multi-Clip Editing for Mac
- Compound Clips for Mac
- Borders on Mac
- Adjustment Layer for Mac
- Apply Transforming for Mac
- Compositing on Mac
- Stabilize video on Mac
- Motion Tracking on Mac
- Green screen on Mac
- Lens correction on Mac
- Crop and zoom on Mac
- Mosaic on Mac
- PIP (picture in picture) on Mac
- Mask on Mac
- Video snapshot on Mac
- Play video in reverse on Mac
- Split screen on Mac
- Split & cut videos on Mac
- Using Face-Off Effect
- Change speed on Mac
- Freeze frame on Mac
- Applying Drop Shadow for Mac
- Auto enhance on Mac
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Editing Audio (Mac)
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Editing Color (Mac)
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Text & Subtitle - Mac
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Animation & Keyframe - Mac
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Effects & Transitions - Mac
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Video Effects (Mac)
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Transitions (Mac)
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Stickers - Mac
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Exporting & Cloud Backup - Mac
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Exporting (Mac)
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Cloud Backup (Mac)
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Collaboration - Mac
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Improving Performance & Troubleshooting - Mac
Mask
If you want to create some effects to present the video in a creative way, add mask is a way to go. Here we are going to show how to add different types of masks to a video in Filmora on macOS.
Masks are mostly used to prevent the viewers from any distraction and draw their attention to a particular action or person.
Go to the Masks tab
Double click the video clip in the timeline to enter the Video panel. In the Mask tab, you can find some mask shapes, such as rectangle, circle, double line, single line, love and star. You can also draw a mask as you wish.
Apply a Mask
You can apply an existing video mask or load your own video mask by clicking Import. When you select a shape from the Masks, only the area it covers will be visible in the Preview window. Everything else will be hidden.

Draw a mask
Using the Draw Mask feature, you can create complicated masks in any shape by dragging control points and modifying B-Splines. By adjusting the Bessel curve for drawn masks while holding the Option, you can easily produce smooth curves. The draw mask can also be saved as a preset so that you can apply it with just one click.

Adjust the Mask
To edit the mask, you can also drag the sliders in the Mask tab. Rotate, scale, position, width, and height are all adjustable. You can even invert the mask so that the hidden portion becomes visible.

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